.body .mainleft .game {
  width: 700px;
  height: 450px;
  background: #000;
  position: relative;
}
.body .mainleft .game .gamebtn {
  position: absolute;
  top: 10px;
  left: 500px;
}
.body .mainleft .game .main {
  position: absolute;
  top: 10px;
  left: 50px;
  width: 420px;
  height: 420px;
  background: #999494;
  border: #f3b98ffc solid 10px;
}
.body .mainleft .game .main span {
  display: inline-block;
  width: 78px;
  height: 78px;
  position: absolute;
  background-image: url(../img/游戏/4.png);
  background-size: 400px 400px;
  text-align: center;
  line-height: 100px;
  border: #c0bebe solid 1px;
  font-size: 24px;
  color: red;
}
button {
  width: 80px;
  height: 40px;
  font-size: 16px;
}
